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A285680 {1010->2}-transform of the infinite Fibonacci word A003849. 4
0, 1, 0, 0, 2, 0, 1, 0, 0, 2, 0, 2, 0, 1, 0, 0, 2, 0, 1, 0, 0, 2, 0, 2, 0, 1, 0, 0, 2, 0, 2, 0, 1, 0, 0, 2, 0, 1, 0, 0, 2, 0, 2, 0, 1, 0, 0, 2, 0, 1, 0, 0, 2, 0, 2, 0, 1, 0, 0, 2, 0, 2, 0, 1, 0, 0, 2, 0, 1, 0, 0, 2, 0, 2, 0, 1, 0, 0, 2, 0, 2, 0, 1, 0, 0, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

EXAMPLE

As a word, A003849 = 01001010010010100..., and replacing each 1010 by 2 gives 01002010020201002010020201002020100201...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {0}}] &, {0}, 13] ; (* A003849 *)

w = StringJoin[Map[ToString, s]]

w1 = StringReplace[w, {"1010" -> "2"}]

st = ToCharacterCode[w1] - 48; (* A285680 *)

Flatten[Position[st, 0]];  (* A285681 *)

Flatten[Position[st, 1]];  (* A285682 *)

Flatten[Position[st, 2]];  (* A285683 *)

CROSSREFS

Cf. A003849, A285677, A285681, A258682, A285683.

Sequence in context: A080101 A025895 A104451 * A240668 A106602 A106594

Adjacent sequences:  A285677 A285678 A285679 * A285681 A285682 A285683

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 11 2017

STATUS

approved

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Last modified March 19 04:34 EDT 2019. Contains 321311 sequences. (Running on oeis4.)